internal static com.epl.geometry.Geometry PolylineMinusArea_(com.epl.geometry.Geometry geometry, com.epl.geometry.Geometry area, int area_type, com.epl.geometry.SpatialReference sr, com.epl.geometry.ProgressTracker progress_tracker)
{
// construct the complement of the Polygon (or Envelope)
com.epl.geometry.Envelope envelope = new com.epl.geometry.Envelope();
geometry.QueryEnvelope(envelope);
com.epl.geometry.Envelope2D env_2D = new com.epl.geometry.Envelope2D();
area.QueryEnvelope2D(env_2D);
envelope.Merge(env_2D);
double dw = 0.1 * envelope.GetWidth();
double dh = 0.1 * envelope.GetHeight();
envelope.Inflate(dw, dh);
com.epl.geometry.Polygon complement = new com.epl.geometry.Polygon();
complement.AddEnvelope(envelope, false);
com.epl.geometry.MultiPathImpl complementImpl = (com.epl.geometry.MultiPathImpl)(complement._getImpl());
if (area_type == com.epl.geometry.Geometry.GeometryType.Polygon)
{
com.epl.geometry.MultiPathImpl polygonImpl = (com.epl.geometry.MultiPathImpl)(area._getImpl());
complementImpl.Add(polygonImpl, true);
}
else
{
complementImpl.AddEnvelope((com.epl.geometry.Envelope)(area), true);
}
com.epl.geometry.OperatorFactoryLocal projEnv = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorIntersection operatorIntersection = (com.epl.geometry.OperatorIntersection)projEnv.GetOperator(com.epl.geometry.Operator.Type.Intersection);
com.epl.geometry.Geometry difference = operatorIntersection.Execute(geometry, complement, sr, progress_tracker);
return(difference);
}
/// <summary>
/// Constructs the set-theoretic intersection between an array of geometries
/// and another geometry.
/// </summary>
/// <remarks>
/// Constructs the set-theoretic intersection between an array of geometries
/// and another geometry.
/// See OperatorIntersection (also for dimension specific intersection).
/// </remarks>
/// <param name="inputGeometries">An array of geometry objects.</param>
/// <param name="geometry">The geometry object.</param>
/// <returns>Any array of geometry objects showing the intersection.</returns>
internal static com.epl.geometry.Geometry[] Intersect(com.epl.geometry.Geometry[] inputGeometries, com.epl.geometry.Geometry geometry, com.epl.geometry.SpatialReference spatialReference)
{
com.epl.geometry.OperatorIntersection op = (com.epl.geometry.OperatorIntersection)factory.GetOperator(com.epl.geometry.Operator.Type.Intersection);
com.epl.geometry.SimpleGeometryCursor inputGeometriesCursor = new com.epl.geometry.SimpleGeometryCursor(inputGeometries);
com.epl.geometry.SimpleGeometryCursor intersectorCursor = new com.epl.geometry.SimpleGeometryCursor(geometry);
com.epl.geometry.GeometryCursor result = op.Execute(inputGeometriesCursor, intersectorCursor, spatialReference, null);
System.Collections.Generic.List <com.epl.geometry.Geometry> resultGeoms = new System.Collections.Generic.List <com.epl.geometry.Geometry>();
com.epl.geometry.Geometry g;
while ((g = result.Next()) != null)
{
resultGeoms.Add(g);
}
com.epl.geometry.Geometry[] resultarr = resultGeoms.ToArray();
return(resultarr);
}
/// <summary>Creates a geometry through intersection between two geometries.</summary>
/// <remarks>
/// Creates a geometry through intersection between two geometries.
/// See OperatorIntersection.
/// </remarks>
/// <param name="geometry1">The first geometry.</param>
/// <param name="intersector">The geometry to intersect the first geometry.</param>
/// <param name="spatialReference">The spatial reference of the geometries.</param>
/// <returns>The geometry created through intersection.</returns>
public static com.epl.geometry.Geometry Intersect(com.epl.geometry.Geometry geometry1, com.epl.geometry.Geometry intersector, com.epl.geometry.SpatialReference spatialReference)
{
com.epl.geometry.OperatorIntersection op = (com.epl.geometry.OperatorIntersection)factory.GetOperator(com.epl.geometry.Operator.Type.Intersection);
com.epl.geometry.Geometry result = op.Execute(geometry1, intersector, spatialReference, null);
return(result);
}
public virtual com.epl.geometry.ogc.OGCGeometry Intersection(com.epl.geometry.ogc.OGCGeometry another)
{
com.epl.geometry.OperatorIntersection op = (com.epl.geometry.OperatorIntersection)com.epl.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.epl.geometry.Operator.Type.Intersection);
com.epl.geometry.GeometryCursor cursor = op.Execute(GetEsriGeometryCursor(), another.GetEsriGeometryCursor(), GetEsriSpatialReference(), null, 7);
return(com.epl.geometry.ogc.OGCGeometry.CreateFromEsriCursor(cursor, esriSR, true));
}
